Is –7 + 9 = –9 + 7 true, false, or open?
(1 point)
true
false
open
11 answers
false
Is 4x – 3 = 19 true, false, or open?
(1 point)
true
false
open
(1 point)
true
false
open
false
Which of the following is a solution to the equation 16 = 4x – 4?
(1 point)
–5
–4
5
16
(1 point)
–5
–4
5
16
–3
3 of 53 of 5 Items
Question
Which of the following is a solution to the equation 16 = 4x – 4?
(1 point)
Responses
–5
–5
–4
–4
5
5
16
16
Question
Which of the following is a solution to the equation 16 = 4x – 4?
(1 point)
Responses
–5
–5
–4
–4
5
5
16
16
The solution to the equation 16 = 4x - 4 is:
x = 5
x = 5
An art student wants to make a model of the classroom. The length of the classroom is 2.4 times its width. The length of the student’s model is 42 in. What should the width of the model be?
(1 point)
Responses
17.5 in
17.5 in
20.5 in
20.5 in
83.6 in
83.6 in
100.8 in
(1 point)
Responses
17.5 in
17.5 in
20.5 in
20.5 in
83.6 in
83.6 in
100.8 in
To find the width of the model, we need to determine the width of the actual classroom.
Let's start by setting up the equation:
Length of classroom = 2.4 (width of classroom)
Let's represent the width of the classroom as "w".
Length of classroom = 2.4w
Given that the length of the student's model is 42 inches, we can set up another equation:
Length of model = 42 inches
Since the length of the model is proportional to the length of the classroom, we can set up the following equation:
Length of model = 2.4 (width of model)
42 = 2.4w
To find the width of the model, we can solve for "w":
w = 42 / 2.4
w ≈ 17.5 inches
Therefore, the width of the model should be approximately 17.5 inches.
Let's start by setting up the equation:
Length of classroom = 2.4 (width of classroom)
Let's represent the width of the classroom as "w".
Length of classroom = 2.4w
Given that the length of the student's model is 42 inches, we can set up another equation:
Length of model = 42 inches
Since the length of the model is proportional to the length of the classroom, we can set up the following equation:
Length of model = 2.4 (width of model)
42 = 2.4w
To find the width of the model, we can solve for "w":
w = 42 / 2.4
w ≈ 17.5 inches
Therefore, the width of the model should be approximately 17.5 inches.
Use mental math to determine the solution to start fraction x over 3 end fraction = 24.
(1 point)
Responses
x = 6
x = 6
x = 8
x = 8
x = 27
x = 27
x = 72
(1 point)
Responses
x = 6
x = 6
x = 8
x = 8
x = 27
x = 27
x = 72
To determine the value of x when x/3 = 24, we can multiply both sides of the equation by 3:
x/3 * 3 = 24 * 3
This simplifies to:
x = 72
Therefore, the solution is x = 72.
x/3 * 3 = 24 * 3
This simplifies to:
x = 72
Therefore, the solution is x = 72.